/*    $OpenBSD: ieee80211_var.h,v 1.111 2022/03/14 15:07:24 stsp Exp $    */
/*    $NetBSD: ieee80211_var.h,v 1.7 2004/05/06 03:07:10 dyoung Exp $    */

/*-
 * Copyright (c) 2001 Atsushi Onoe
 * Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $FreeBSD: src/sys/net80211/ieee80211_var.h,v 1.15 2004/04/05 22:10:26 sam Exp $
 */
#ifndef _NET80211_IEEE80211_VAR_H_
#define _NET80211_IEEE80211_VAR_H_

/*
 * Definitions for IEEE 802.11 drivers.
 */

#ifdef    SMALL_KERNEL
#define IEEE80211_STA_ONLY    1
#endif

#include <sys/timeout.h>

#include <net80211/ieee80211.h>
#include <net80211/ieee80211_crypto.h>
#include <net80211/ieee80211_ioctl.h>        /* for ieee80211_stats */
#include <net80211/ieee80211_node.h>
#include <net80211/ieee80211_proto.h>

#define    IEEE80211_CHAN_MAX    255
#define    IEEE80211_CHAN_ANY    0xffff        /* token for ``any channel'' */
#define    IEEE80211_CHAN_ANYC \
    ((struct ieee80211_channel *) NULL)

#define    IEEE80211_TXPOWER_MAX    100    /* max power */
#define    IEEE80211_TXPOWER_MIN    -50    /* kill radio (if possible) */

#define IEEE80211_RSSI_THRES_2GHZ        (-60)    /* in dBm */
#define IEEE80211_RSSI_THRES_5GHZ        (-70)    /* in dBm */
#define IEEE80211_RSSI_THRES_RATIO_2GHZ        60    /* in percent */
#define IEEE80211_RSSI_THRES_RATIO_5GHZ        50    /* in percent */

#define IEEE80211_BGSCAN_FAIL_MAX        512    /* units of 500 msec */

/*
 * Missed beacon threshold: An access point has disappeared if this amount
 * of consecutive beacons have been missed.
 * This value needs to be high enough to avoid frequent re-connects to APs
 * which suffer from occasional packet loss, and low enough to avoid a long
 * delay before we start scanning when an AP has actually disappeared.
 *
 * The beacon interval is variable, but generally in the order of 100ms.
 * So 30 beacons implies a grace period of about 3 seconds before we start
 * searching for a new AP.
 */
#define IEEE80211_BEACON_MISS_THRES        30    /* units of beacons */

enum ieee80211_phytype {
    IEEE80211_T_DS,            /* direct sequence spread spectrum */
    IEEE80211_T_OFDM,        /* frequency division multiplexing */
    IEEE80211_T_XR                /* extended range mode */
};
#define    IEEE80211_T_CCK    IEEE80211_T_DS    /* more common nomenclature */

/* XXX not really a mode; there are really multiple PHY's */
enum ieee80211_phymode {
    IEEE80211_MODE_AUTO    = 0,    /* autoselect */
    IEEE80211_MODE_11A    = 1,    /* 5GHz, OFDM */
    IEEE80211_MODE_11B    = 2,    /* 2GHz, CCK */
    IEEE80211_MODE_11G    = 3,    /* 2GHz, OFDM */
    IEEE80211_MODE_11N    = 4,    /* 2GHz/5GHz, OFDM/HT */
    IEEE80211_MODE_11AC    = 5,    /* 5GHz, OFDM/VHT */
};
#define    IEEE80211_MODE_MAX    (IEEE80211_MODE_11AC+1)

enum ieee80211_opmode {
    IEEE80211_M_STA        = 1,    /* infrastructure station */
#ifndef IEEE80211_STA_ONLY
    IEEE80211_M_IBSS    = 0,    /* IBSS (adhoc) station */
    IEEE80211_M_AHDEMO    = 3,    /* Old lucent compatible adhoc demo */
    IEEE80211_M_HOSTAP    = 6,    /* Software Access Point */
#endif
    IEEE80211_M_MONITOR    = 8    /* Monitor mode */
};

/*
 * 802.11g protection mode.
 */
enum ieee80211_protmode {
    IEEE80211_PROT_NONE    = 0,    /* no protection */
    IEEE80211_PROT_CTSONLY    = 1,    /* CTS to self */
    IEEE80211_PROT_RTSCTS    = 2    /* RTS-CTS */
};

/*
 * Channels are specified by frequency and attributes.
 */
struct ieee80211_channel {
    u_int16_t    ic_freq;    /* setting in MHz */
    u_int16_t    ic_flags;    /* see below */
    u_int32_t    ic_xflags;    /* extra flags; see below */
};

/*
 * Channel attributes (XXX must keep in sync with radiotap flags).
 */
#define IEEE80211_CHAN_CCK    0x0020    /* CCK channel */
#define IEEE80211_CHAN_OFDM    0x0040    /* OFDM channel */
#define IEEE80211_CHAN_2GHZ    0x0080    /* 2 GHz spectrum channel */
#define IEEE80211_CHAN_5GHZ    0x0100    /* 5 GHz spectrum channel */
#define IEEE80211_CHAN_PASSIVE    0x0200    /* Only passive scan allowed */
#define IEEE80211_CHAN_DYN    0x0400    /* Dynamic CCK-OFDM channel */
#define IEEE80211_CHAN_XR    0x1000    /* Extended range OFDM channel */
#define IEEE80211_CHAN_HT    0x2000    /* 11n/HT channel */
#define IEEE80211_CHAN_VHT    0x4000    /* 11ac/VHT channel */
#define IEEE80211_CHAN_40MHZ    0x8000    /* use of 40 MHz is allowed */

/*
 * Extra channel flags.
 */
#define IEEE80211_CHANX_80MHZ    0x00000001 /* use of 80 MHz is allowed */
#define IEEE80211_CHANX_160MHZ    0x00000002 /* use of 160 MHz is allowed */

/*
 * Useful combinations of channel characteristics.
 */
#define IEEE80211_CHAN_A \
    (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM)
#define IEEE80211_CHAN_B \
    (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK)
#define IEEE80211_CHAN_PUREG \
    (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM)
#define IEEE80211_CHAN_G \
    (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN)

#define    IEEE80211_IS_CHAN_A(_c) \
    (((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A)
#define    IEEE80211_IS_CHAN_B(_c) \
    (((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B)
#define    IEEE80211_IS_CHAN_PUREG(_c) \
    (((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG)
#define    IEEE80211_IS_CHAN_G(_c) \
    (((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G)
#define    IEEE80211_IS_CHAN_N(_c) \
    (((_c)->ic_flags & IEEE80211_CHAN_HT) == IEEE80211_CHAN_HT)
#define    IEEE80211_IS_CHAN_AC(_c) \
    (((_c)->ic_flags & IEEE80211_CHAN_VHT) == IEEE80211_CHAN_VHT)

#define    IEEE80211_IS_CHAN_2GHZ(_c) \
    (((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0)
#define    IEEE80211_IS_CHAN_5GHZ(_c) \
    (((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0)
#define    IEEE80211_IS_CHAN_OFDM(_c) \
    (((_c)->ic_flags & IEEE80211_CHAN_OFDM) != 0)
#define    IEEE80211_IS_CHAN_CCK(_c) \
    (((_c)->ic_flags & IEEE80211_CHAN_CCK) != 0)
#define    IEEE80211_IS_CHAN_XR(_c) \
    (((_c)->ic_flags & IEEE80211_CHAN_XR) != 0)

#define    IEEE80211_CHAN_40MHZ_ALLOWED(_c) \
    (((_c)->ic_flags & IEEE80211_CHAN_40MHZ) != 0)
#define    IEEE80211_CHAN_80MHZ_ALLOWED(_c) \
    (((_c)->ic_xflags & IEEE80211_CHANX_80MHZ) != 0)
#define    IEEE80211_CHAN_160MHZ_ALLOWED(_c) \
    (((_c)->ic_xflags & IEEE80211_CHANX_160MHZ) != 0)

/*
 * EDCA AC parameters.
 */
struct ieee80211_edca_ac_params {
    u_int8_t    ac_ecwmin;    /* CWmin = 2^ECWmin - 1 */
    u_int8_t    ac_ecwmax;    /* CWmax = 2^ECWmax - 1 */
    u_int8_t    ac_aifsn;
    u_int16_t    ac_txoplimit;    /* 32TU */
#define IEEE80211_TXOP_TO_US(txop)    ((txop) * 32)

    u_int8_t    ac_acm;
};

extern const struct ieee80211_edca_ac_params
        ieee80211_edca_table[IEEE80211_MODE_MAX][EDCA_NUM_AC];
extern const struct ieee80211_edca_ac_params
        ieee80211_qap_edca_table[IEEE80211_MODE_MAX][EDCA_NUM_AC];

#define IEEE80211_DEFRAG_SIZE    3    /* must be >= 3 according to spec */
/*
 * Entry in the fragment cache.
 */
struct ieee80211_defrag {
    struct timeout    df_to;
    mbuf_t    df_m;
    u_int16_t    df_seq;
    u_int8_t    df_frag;
};

struct ssid_data {
   uint8_t len;
   uint8_t ssid[IEEE80211_NWID_LEN];
};

#define IEEE80211_PROTO_NONE    0
#define IEEE80211_PROTO_RSN    (1 << 0)
#define IEEE80211_PROTO_WPA    (1 << 1)

#define    IEEE80211_SCAN_UNLOCKED    0x0
#define    IEEE80211_SCAN_LOCKED    0x1
#define    IEEE80211_SCAN_REQUEST    0x2
#define    IEEE80211_SCAN_RESUME    0x4

#define IEEE80211_GROUP_NKID    6

struct ieee80211_node_switch_bss_arg;

struct ieee80211com {
    struct arpcom        ic_ac;
    LIST_ENTRY(ieee80211com) ic_list;    /* chain of all ieee80211com */
    void            (*ic_recv_mgmt)(struct ieee80211com *,
                    mbuf_t, struct ieee80211_node *,
                    struct ieee80211_rxinfo *, int);
    int            (*ic_send_mgmt)(struct ieee80211com *,
                    struct ieee80211_node *, int, int, int);
    int            (*ic_newstate)(struct ieee80211com *,
                    enum ieee80211_state, int);
    int            (*ic_newauth)(struct ieee80211com *,
                    struct ieee80211_node *, int, uint16_t);
    void            (*ic_newassoc)(struct ieee80211com *,
                    struct ieee80211_node *, int);
    void            (*ic_node_leave)(struct ieee80211com *,
                    struct ieee80211_node *);
    void            (*ic_updateslot)(struct ieee80211com *);
    void            (*ic_updateedca)(struct ieee80211com *);
    void            (*ic_set_tim)(struct ieee80211com *, int, int);
    int            (*ic_set_key)(struct ieee80211com *,
                    struct ieee80211_node *,
                    struct ieee80211_key *);
    void            (*ic_delete_key)(struct ieee80211com *,
                    struct ieee80211_node *,
                    struct ieee80211_key *);
    int            (*ic_ampdu_tx_start)(struct ieee80211com *,
                    struct ieee80211_node *, u_int8_t);
    void            (*ic_ampdu_tx_stop)(struct ieee80211com *,
                    struct ieee80211_node *, u_int8_t);
    int            (*ic_ampdu_rx_start)(struct ieee80211com *,
                    struct ieee80211_node *, u_int8_t);
    void            (*ic_ampdu_rx_stop)(struct ieee80211com *,
                    struct ieee80211_node *, u_int8_t);
    void            (*ic_updateprot)(struct ieee80211com *);
    void            (*ic_updatechan)(struct ieee80211com *);
    void            (*ic_updatedtim)(struct ieee80211com *);
    int            (*ic_bgscan_start)(struct ieee80211com *);
    void            (*ic_bgscan_done)(struct ieee80211com *,
                    struct ieee80211_node_switch_bss_arg *,
                    size_t);
    struct timeout        ic_bgscan_timeout;
    uint32_t        ic_bgscan_fail;
    u_int8_t        ic_myaddr[IEEE80211_ADDR_LEN];
    struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
    struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1];
    u_char            ic_chan_avail[howmany(IEEE80211_CHAN_MAX,NBBY)];
    u_char            ic_chan_active[howmany(IEEE80211_CHAN_MAX, NBBY)];
    u_char            ic_chan_scan[howmany(IEEE80211_CHAN_MAX,NBBY)];
    struct mbuf_queue    ic_mgtq;
    struct mbuf_queue    ic_pwrsaveq;
    struct ssid_data direct_scan[15];
    u_int8_t        direct_scan_count;
    uint64_t        ic_scan_ts;
    u_int8_t        ic_scan_count;    /* count scans */
    u_int32_t        ic_flags;    /* state flags */
    u_int32_t        ic_xflags;    /* more flags */
    u_int32_t        ic_userflags;    /* yet more flags */
    u_int32_t        ic_caps;    /* capabilities */
    u_int16_t        ic_modecaps;    /* set of mode capabilities */
    u_int16_t        ic_curmode;    /* current mode */
    enum ieee80211_phytype    ic_phytype;    /* XXX wrong for multi-mode */
    enum ieee80211_opmode    ic_opmode;    /* operation mode */
    enum ieee80211_state    ic_state;    /* 802.11 state */
    u_int32_t        *ic_aid_bitmap;
    u_int16_t        ic_max_aid;
    enum ieee80211_protmode    ic_protmode;    /* 802.11g/n protection mode */
    struct ifmedia        ic_media;    /* interface media config */
    caddr_t            ic_rawbpf;    /* packet filter structure */
    struct ieee80211_node    *ic_bss;    /* information for this node */
    struct ieee80211_channel *ic_ibss_chan;
    int            ic_fixed_rate;    /* index to ic_sup_rates[] */
    u_int16_t        ic_rtsthreshold;
    u_int16_t        ic_fragthreshold;
    u_int            ic_scangen;    /* gen# for timeout scan */
    struct ieee80211_node    *(*ic_node_alloc)(struct ieee80211com *);
    void            (*ic_node_free)(struct ieee80211com *,
                    struct ieee80211_node *);
    void            (*ic_node_copy)(struct ieee80211com *,
                    struct ieee80211_node *,
                    const struct ieee80211_node *);
    u_int8_t        (*ic_node_getrssi)(struct ieee80211com *,
                    const struct ieee80211_node *);
    int            (*ic_node_checkrssi)(struct ieee80211com *,
                    const struct ieee80211_node *);
    u_int8_t        ic_max_rssi;
    struct ieee80211_tree    ic_tree;
    int            ic_nnodes;    /* length of ic_nnodes */
    int            ic_max_nnodes;    /* max length of ic_nnodes */
    u_int16_t        ic_lintval;    /* listen interval */
    int16_t            ic_txpower;    /* tx power setting (dBm) */
    int            ic_bmissthres;    /* beacon miss threshold */
    int            ic_mgt_timer;    /* mgmt timeout */
#ifndef IEEE80211_STA_ONLY
    struct timeout        ic_inact_timeout; /* node inactivity timeout */
    struct timeout        ic_node_cache_timeout;
#endif
    struct task        ic_rtm_80211info_task;
    int            ic_des_esslen;
    u_int8_t        ic_des_essid[IEEE80211_NWID_LEN];
    struct ieee80211_channel *ic_des_chan;    /* desired channel */
    u_int8_t        ic_des_bssid[IEEE80211_ADDR_LEN];
    u_int8_t        ic_rsnie[257];
    u_int16_t       ic_deauth_reason;
    struct ieee80211_key    ic_nw_keys[IEEE80211_GROUP_NKID];
    int            ic_def_txkey;    /* group data key index */
#define ic_wep_txkey    ic_def_txkey
    int            ic_igtk_kid;    /* IGTK key index */
    u_int32_t        ic_iv;        /* initial vector for wep */
    struct ieee80211_stats    ic_stats;    /* statistics */
    struct timeval        ic_last_merge_print;    /* for rate-limiting
                             * IBSS merge print-outs
                             */
    struct ieee80211_edca_ac_params ic_edca_ac[EDCA_NUM_AC];
    u_int            ic_edca_updtcount;
    u_int16_t        ic_tid_noack;
    u_int8_t        ic_globalcnt[EAPOL_KEY_NONCE_LEN];
    u_int8_t        ic_nonce[EAPOL_KEY_NONCE_LEN];
    u_int8_t        ic_psk[IEEE80211_PMK_LEN];
    struct timeout        ic_rsn_timeout;
    time_t            ic_tkip_micfail;
    u_int64_t        ic_tkip_micfail_last_tsc;
#ifndef IEEE80211_STA_ONLY
    struct timeout        ic_tkip_micfail_timeout;
#endif

    TAILQ_HEAD(, ieee80211_pmk) ic_pmksa;    /* PMKSA cache */
    u_int            ic_rsnprotos;
    u_int            ic_rsnakms;
    u_int            ic_rsnciphers;
    enum ieee80211_cipher    ic_rsngroupcipher;
    enum ieee80211_cipher    ic_rsngroupmgmtcipher;

#ifdef notyet
    struct ieee80211_defrag    ic_defrag[IEEE80211_DEFRAG_SIZE];
    int            ic_defrag_cur;
#endif

    u_int8_t        *ic_tim_bitmap;
    u_int            ic_tim_len;
    u_int            ic_tim_mcast_pending;
    u_int            ic_dtim_period;
    u_int            ic_dtim_count;

    u_int32_t        ic_txbfcaps;
    u_int16_t        ic_htcaps;
    u_int8_t        ic_ampdu_params;
    u_int8_t        ic_sup_mcs[howmany(80, NBBY)];
    u_int16_t        ic_max_rxrate;    /* in Mb/s, 0 <= rate <= 1023 */
    u_int8_t        ic_tx_mcs_set;
    u_int16_t        ic_htxcaps;
    u_int8_t        ic_aselcaps;
    u_int8_t        ic_dialog_token;
    int            ic_fixed_mcs;

    uint32_t        ic_vhtcaps;
    uint16_t        ic_vht_rxmcs;
    uint16_t        ic_vht_rx_max_lgi_mbit_s;
    uint16_t        ic_vht_txmcs;
    uint16_t        ic_vht_tx_max_lgi_mbit_s;

    TAILQ_HEAD(, ieee80211_ess)     ic_ess;
};
#define    ic_if        ic_ac.ac_if
#define    ic_softc    ic_if.if_softc

/* list of APs we want to automatically use */
/* all data is copied from struct ieee80211com */
struct ieee80211_ess {
    /* nwid */
    int            esslen;
    u_int8_t        essid[IEEE80211_NWID_LEN];

    /* clear/wep/wpa */
    u_int32_t        flags;

    /* nwkey */
    struct ieee80211_key    nw_keys[IEEE80211_GROUP_NKID];
    int            def_txkey;

    /* wpakey */
    u_int8_t        psk[IEEE80211_PMK_LEN];
    u_int            rsnprotos;
    u_int            rsnakms;
    u_int            rsnciphers;
    enum ieee80211_cipher    rsngroupcipher;

    TAILQ_ENTRY(ieee80211_ess) ess_next;
};

#define    IEEE80211_ADDR_EQ(a1,a2)    (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
#define    IEEE80211_ADDR_COPY(dst,src)    memcpy(dst,src,IEEE80211_ADDR_LEN)

/* ic_flags */
#define    IEEE80211_F_ASCAN    0x00000001    /* STATUS: active scan */
#define    IEEE80211_F_SIBSS    0x00000002    /* STATUS: start IBSS */
#define    IEEE80211_F_WEPON    0x00000100    /* CONF: WEP enabled */
#define    IEEE80211_F_IBSSON    0x00000200    /* CONF: IBSS creation enable */
#define    IEEE80211_F_PMGTON    0x00000400    /* CONF: Power mgmt enable */
#define    IEEE80211_F_DESBSSID    0x00000800    /* CONF: des_bssid is set */
#define    IEEE80211_F_ROAMING    0x00002000    /* CONF: roaming enabled */
#define    IEEE80211_F_TXPMGT    0x00018000    /* STATUS: tx power */
#define IEEE80211_F_TXPOW_OFF    0x00000000    /* TX Power: radio disabled */
#define IEEE80211_F_TXPOW_FIXED    0x00008000    /* TX Power: fixed rate */
#define IEEE80211_F_TXPOW_AUTO    0x00010000    /* TX Power: undefined */
#define    IEEE80211_F_SHSLOT    0x00020000    /* STATUS: short slot time */
#define    IEEE80211_F_SHPREAMBLE    0x00040000    /* STATUS: short preamble */
#define IEEE80211_F_QOS        0x00080000    /* CONF: QoS enabled */
#define    IEEE80211_F_USEPROT    0x00100000    /* STATUS: protection enabled */
#define    IEEE80211_F_RSNON    0x00200000    /* CONF: RSN enabled */
#define    IEEE80211_F_PSK        0x00400000    /* CONF: pre-shared key set */
#define IEEE80211_F_COUNTERM    0x00800000    /* STATUS: countermeasures */
#define IEEE80211_F_MFPR    0x01000000    /* CONF: MFP required */
#define    IEEE80211_F_HTON    0x02000000    /* CONF: HT enabled */
#define    IEEE80211_F_PBAR    0x04000000    /* CONF: PBAC required */
#define    IEEE80211_F_BGSCAN    0x08000000    /* STATUS: background scan */
#define IEEE80211_F_AUTO_JOIN    0x10000000    /* CONF: auto-join active */
#define    IEEE80211_F_VHTON    0x20000000    /* CONF: VHT enabled */

/* ic_xflags */
#define    IEEE80211_F_TX_MGMT_ONLY 0x00000001    /* leave data frames on ifq */

/* ic_caps */
#define    IEEE80211_C_WEP        0x00000001    /* CAPABILITY: WEP available */
#define    IEEE80211_C_IBSS    0x00000002    /* CAPABILITY: IBSS available */
#define    IEEE80211_C_PMGT    0x00000004    /* CAPABILITY: Power mgmt */
#define    IEEE80211_C_HOSTAP    0x00000008    /* CAPABILITY: HOSTAP avail */
#define    IEEE80211_C_AHDEMO    0x00000010    /* CAPABILITY: Old Adhoc Demo */
#define    IEEE80211_C_APPMGT    0x00000020    /* CAPABILITY: AP power mgmt */
#define    IEEE80211_C_TXPMGT    0x00000040    /* CAPABILITY: tx power mgmt */
#define    IEEE80211_C_SHSLOT    0x00000080    /* CAPABILITY: short slottime */
#define    IEEE80211_C_SHPREAMBLE    0x00000100    /* CAPABILITY: short preamble */
#define    IEEE80211_C_MONITOR    0x00000200    /* CAPABILITY: monitor mode */
#define IEEE80211_C_SCANALL    0x00000400    /* CAPABILITY: scan all chan */
#define IEEE80211_C_QOS        0x00000800    /* CAPABILITY: QoS avail */
#define IEEE80211_C_RSN        0x00001000    /* CAPABILITY: RSN avail */
#define IEEE80211_C_MFP        0x00002000    /* CAPABILITY: MFP avail */
#define IEEE80211_C_RAWCTL    0x00004000    /* CAPABILITY: raw ctl */
#define IEEE80211_C_SCANALLBAND    0x00008000    /* CAPABILITY: scan all bands */
#define IEEE80211_C_TX_AMPDU    0x00010000    /* CAPABILITY: send A-MPDU */
#define IEEE80211_C_ADDBA_OFFLOAD 0x00020000    /* CAPABILITY: ADDBA offload */

/* flags for ieee80211_fix_rate() */
#define    IEEE80211_F_DOSORT    0x00000001    /* sort rate list */
#define    IEEE80211_F_DOFRATE    0x00000002    /* use fixed rate */
#define    IEEE80211_F_DONEGO    0x00000004    /* calc negotiated rate */
#define    IEEE80211_F_DODEL    0x00000008    /* delete ignore rate */

void    ieee80211_ifattach(struct ifnet *);
void    ieee80211_ifdetach(struct ifnet *);
void    ieee80211_channel_init(struct ifnet *);
void    ieee80211_media_init(struct ifnet *, ifm_change_cb_t, ifm_stat_cb_t);
int    ieee80211_media_change(struct ifnet *);
void    ieee80211_media_status(struct ifnet *, struct ifmediareq *);
int    ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
int    ieee80211_get_rate(struct ieee80211com *);
void    ieee80211_watchdog(struct ifnet *);
int    ieee80211_fix_rate(struct ieee80211com *, struct ieee80211_node *, int);
uint64_t    ieee80211_rate2media(struct ieee80211com *, int,
            enum ieee80211_phymode);
int    ieee80211_media2rate(uint64_t);
uint64_t    ieee80211_mcs2media(struct ieee80211com *, int,
            enum ieee80211_phymode);
int    ieee80211_media2mcs(uint64_t);
u_int8_t ieee80211_rate2plcp(u_int8_t, enum ieee80211_phymode);
u_int8_t ieee80211_plcp2rate(u_int8_t, enum ieee80211_phymode);
u_int    ieee80211_mhz2ieee(u_int, u_int);
u_int    ieee80211_chan2ieee(struct ieee80211com *,
        const struct ieee80211_channel *);
u_int    ieee80211_ieee2mhz(u_int, u_int);
int    ieee80211_min_basic_rate(struct ieee80211com *);
int    ieee80211_max_basic_rate(struct ieee80211com *);
int    ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
enum ieee80211_phymode ieee80211_next_mode(struct ifnet *);
enum ieee80211_phymode ieee80211_chan2mode(struct ieee80211com *,
        const struct ieee80211_channel *);
void    ieee80211_disable_wep(struct ieee80211com *);
void    ieee80211_disable_rsn(struct ieee80211com *);
int    ieee80211_add_ess(struct ieee80211com *, struct ieee80211_join *);
void    ieee80211_del_ess(struct ieee80211com *, char *, int, int);
void    ieee80211_set_ess(struct ieee80211com *, struct ieee80211_ess *,
        struct ieee80211_node *);
void    ieee80211_deselect_ess(struct ieee80211com *);
struct ieee80211_ess *ieee80211_get_ess(struct ieee80211com *, const char *, int);
void    ieee80211_begin_bgscan(struct ifnet *);
void    ieee80211_begin_cache_bgscan(struct ifnet *);

extern    int ieee80211_cache_size;

#endif /* _NET80211_IEEE80211_VAR_H_ */
